A.can hold a load even when a considerable number of the yarns have been abraded
B.can be stored on deck，exposed to sunlight
C.can be used in conjunction with wire or spring-lay rope
D.gives audible warning of overstress whereas manila does not
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A.of
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A.two black balls in a vertical line
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A.a vessel restricted in her ability to maneuver
B.a vessel engaged in laying，serving or picking up a navigation mark，submarine cable or pipeline
C.a vessel not under command
D.a power-driven vessel
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B.act as a fluid reservoir
C.provide overpressure relief
D.replenish fluid to a system
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A small light tackle with blocks of steel or wood that is used for miscellaneous small jobs is called a（）.
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